Truck running board



FIG. 1 is a perspective view of the truck running board design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a left side elevation view thereof.

The design consists of visual features shown in solid lines in the drawings. For example, the features shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a truck running board, as shown and described. 